#include?
#include?
#include?
#include?
#define?OK?1?
#define?ERROR?0?
typedef?struct?airline{?????????????/*定義結(jié)構(gòu)體airline*/
????????char?air_num[8];?
????????char?end_place[20];?
????????char?departure_time[8];
		char?arrival_time[8];
????????int??total;?
????????int??left;?
????????struct?airline?*next;???????/*開辟新結(jié)點(diǎn)（next是struct?airline類型中的一個(gè)成員它又指向struct?airline類型的數(shù)據(jù)）*/
}airline;???/*新類型名，代表上面指定的一個(gè)結(jié)構(gòu)體類型*/
typedef?struct?customer{???????????/*定義結(jié)構(gòu)體customer*/
????????char?name[8];?
????????char?air_num[8];?
????????int??seat_num;?
????????struct?customer?*next;?
}customer;?
airline?*start_air（）?????????????????/*建立airline單鏈表*/
{?
????????airline?*a;??????????????????/*a為指向airline結(jié)構(gòu)體類型數(shù)據(jù)的指針*/
????????a=（airline*）malloc（sizeof（airline））;??/*動(dòng)態(tài)存儲(chǔ)空間分配*/
????????if（a==NULL）?
????????a->next=NULL;
????????return?a;?
}?
customer?*start_cus（）??????????????/*建立customer單鏈表*/
{?
????????customer?*c;?
????????c=（customer*）malloc（sizeof（customer））;?
????????if（c==NULL）?
????????c->next=NULL;?
????????return?c;?
}?
airline?*modify_airline（airline?*lchar?*air_num）??/*修改航班信息函數(shù)*/
{?
????????airline?*p;?
????????p=l->next;???????/*使p指向l的next結(jié)點(diǎn)*/
????????while（p!=NULL）
		{
			if（strcmp（air_nump->air_num）==0）???/*strcmp比較字符串*/
			{?p->left++;?????????/*得到p指向的結(jié)構(gòu)體變量中的成員left的值，用完該值后使它加1，即left的值加1*/
			??return?l;
			}
			p=p->next;???/*使p指向p的next結(jié)點(diǎn)*/
		}
????????if（p==NULL）
		printf（“NO?the?airline!“）;
		return?0;
}
int?insert_air（airline?**pchar?*air_numchar?*end_placechar?*departure_timechar?*arrival_timeint?totalint?left）?/*插入航班信息函數(shù)*/
{??????????????/*p是一個(gè)指針變量，它指向一個(gè)指向airline結(jié)構(gòu)體類型數(shù)據(jù)的指針變量*/
????????airline?*q;?
????????q=（airline*）malloc（sizeof（airline））;?
????????strcpy（q->air_numair_num）;????/*strcpy字符串復(fù)制函數(shù)*/
????????strcpy（q->end_placeend_place）;??
????????strcpy（q->departure_timedeparture_time）;
		strcpy（q->arrival_timearrival_time）;
????????q->total=total;?
????????q->left=left;?
????????q->next=NULL;?
????????（*p）->next=q;?
????????（*p）=（*p）->next;?
????????return?OK;?
????????}?
int??insert_cus（customer?**pchar?*namechar?*air_numint?seat_num）?/*插入乘客信息函數(shù)*/
{?
????????customer?*q;?
????????q=（customer*）malloc（sizeof（customer））;?
????????strcpy（q->namename）;?
????????strcpy（q->air_numair_num）;?
????????q->seat_num=seat_num;?
????????q->next=NULL;?
????????（*p）->next=q;?
????????（*p）=（*p）->next;?
????????return?OK;?
}?
int?book（airline?*achar?*air_numcustomer?*cchar?*name）??/*訂票函數(shù)*/
{?
????????airline?*p=a;
????????customer?*q=c;??/*c指向結(jié)構(gòu)體變量customer中的成員next的值賦給q指向的結(jié)構(gòu)體變量customer*/
????????for（;q->next!=NULL;q=q->next）
		{}
		while（p!=NULL）
		{
			if（p->left>0?&&?（strcmp（p->air_numair_num）==0））?
????????????{?
????????????????????????printf（“定票成功您的座位號(hào)是?%d“（p->total-p->left+1））;
????????????????????????insert_cus（&qnameair_nump->total-p->left+1）;?
????????????????????????p->left--;?/*得到p指向的結(jié)構(gòu)體變量中的成員left的值，用完該值后使它減1